Answer:

gunpowder

Answer	Crossword Clue
GUNPOWDER	Ichabod Crane's horse in "The Legend of Sleepy Hollow"
GUNPOWDER	Explosive mixture
GUNPOWDER	Diabolical Chinese invention.

GUNPOWDER	Green tea.
GUNPOWDER	Content of some shells
GUNPOWDER	Flintlock need